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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/d3d11/CompositorD3D11.hlsl
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/d3d11/CompositorD3D11.hlsl')
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1 files changed, 186 insertions, 0 deletions
diff --git a/gfx/layers/d3d11/CompositorD3D11.hlsl b/gfx/layers/d3d11/CompositorD3D11.hlsl
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "BlendShaderConstants.h"
+
+typedef float4 rect;
+
+float4x4 mLayerTransform : register(vs, c0);
+float4x4 mProjection : register(vs, c4);
+float4 vRenderTargetOffset : register(vs, c8);
+rect vTextureCoords : register(vs, c9);
+rect vLayerQuad : register(vs, c10);
+
+float4 fLayerColor : register(ps, c0);
+float fLayerOpacity : register(ps, c1);
+
+// x = layer type
+// y = mask type
+// z = blend op
+// w = is premultiplied
+
+float fCoefficient : register(ps, c3);
+
+row_major float3x3 mYuvColorMatrix : register(ps, c4);
+
+sampler sSampler : register(ps, s0);
+
+// The mix-blend mega shader uses all variables, so we have to make sure they
+// are assigned fixed slots.
+Texture2D tRGB : register(ps, t0);
+Texture2D tY : register(ps, t1);
+Texture2D tCb : register(ps, t2);
+Texture2D tCr : register(ps, t3);
+
+struct VS_INPUT {
+ float2 vPosition : POSITION;
+};
+
+struct VS_TEX_INPUT {
+ float2 vPosition : POSITION;
+ float2 vTexCoords : TEXCOORD0;
+};
+
+struct VS_OUTPUT {
+ float4 vPosition : SV_Position;
+ float2 vTexCoords : TEXCOORD0;
+};
+
+struct PS_OUTPUT {
+ float4 vSrc;
+ float4 vAlpha;
+};
+
+float2 TexCoords(const float2 aPosition)
+{
+ float2 result;
+ const float2 size = vTextureCoords.zw;
+ result.x = vTextureCoords.x + aPosition.x * size.x;
+ result.y = vTextureCoords.y + aPosition.y * size.y;
+
+ return result;
+}
+
+SamplerState LayerTextureSamplerLinear
+{
+ Filter = MIN_MAG_MIP_LINEAR;
+ AddressU = Clamp;
+ AddressV = Clamp;
+};
+
+float4 TransformedPosition(float2 aInPosition)
+{
+ // the current vertex's position on the quad
+ // [x,y,0,1] is mandated by the CSS Transforms spec as the point value to transform
+ float4 position = float4(0, 0, 0, 1);
+
+ // We use 4 component floats to uniquely describe a rectangle, by the structure
+ // of x, y, width, height. This allows us to easily generate the 4 corners
+ // of any rectangle from the 4 corners of the 0,0-1,1 quad that we use as the
+ // stream source for our LayerQuad vertex shader. We do this by doing:
+ // Xout = x + Xin * width
+ // Yout = y + Yin * height
+ float2 size = vLayerQuad.zw;
+ position.x = vLayerQuad.x + aInPosition.x * size.x;
+ position.y = vLayerQuad.y + aInPosition.y * size.y;
+
+ position = mul(mLayerTransform, position);
+
+ return position;
+}
+
+float4 VertexPosition(float4 aTransformedPosition)
+{
+ float4 result;
+ result.w = aTransformedPosition.w;
+ result.xyz = aTransformedPosition.xyz / aTransformedPosition.w;
+ result -= vRenderTargetOffset;
+ result.xyz *= result.w;
+
+ result = mul(mProjection, result);
+
+ return result;
+}
+
+VS_OUTPUT LayerQuadVS(const VS_INPUT aVertex)
+{
+ VS_OUTPUT outp;
+ float4 position = TransformedPosition(aVertex.vPosition);
+
+ outp.vPosition = VertexPosition(position);
+ outp.vTexCoords = TexCoords(aVertex.vPosition.xy);
+
+ return outp;
+}
+
+/* From Rec601:
+[R] [1.1643835616438356, 0.0, 1.5960267857142858] [ Y - 16]
+[G] = [1.1643835616438358, -0.3917622900949137, -0.8129676472377708] x [Cb - 128]
+[B] [1.1643835616438356, 2.017232142857143, 8.862867620416422e-17] [Cr - 128]
+
+For [0,1] instead of [0,255], and to 5 places:
+[R] [1.16438, 0.00000, 1.59603] [ Y - 0.06275]
+[G] = [1.16438, -0.39176, -0.81297] x [Cb - 0.50196]
+[B] [1.16438, 2.01723, 0.00000] [Cr - 0.50196]
+
+From Rec709:
+[R] [1.1643835616438356, 4.2781193979771426e-17, 1.7927410714285714] [ Y - 16]
+[G] = [1.1643835616438358, -0.21324861427372963, -0.532909328559444] x [Cb - 128]
+[B] [1.1643835616438356, 2.1124017857142854, 0.0] [Cr - 128]
+
+For [0,1] instead of [0,255], and to 5 places:
+[R] [1.16438, 0.00000, 1.79274] [ Y - 0.06275]
+[G] = [1.16438, -0.21325, -0.53291] x [Cb - 0.50196]
+[B] [1.16438, 2.11240, 0.00000] [Cr - 0.50196]
+*/
+float4 CalculateYCbCrColor(const float2 aTexCoords)
+{
+ float3 yuv = float3(
+ tY.Sample(sSampler, aTexCoords).r,
+ tCb.Sample(sSampler, aTexCoords).r,
+ tCr.Sample(sSampler, aTexCoords).r);
+ yuv = yuv * fCoefficient - float3(0.06275, 0.50196, 0.50196);
+
+ return float4(mul(mYuvColorMatrix, yuv), 1.0);
+}
+
+float4 CalculateNV12Color(const float2 aTexCoords)
+{
+ float3 yuv = float3(
+ tY.Sample(sSampler, aTexCoords).r,
+ tCb.Sample(sSampler, aTexCoords).r,
+ tCb.Sample(sSampler, aTexCoords).g);
+ yuv = yuv * fCoefficient - float3(0.06275, 0.50196, 0.50196);
+
+ return float4(mul(mYuvColorMatrix, yuv), 1.0);
+}
+
+float4 SolidColorShader(const VS_OUTPUT aVertex) : SV_Target
+{
+ return fLayerColor;
+}
+
+float4 RGBAShader(const VS_OUTPUT aVertex) : SV_Target
+{
+ return tRGB.Sample(sSampler, aVertex.vTexCoords) * fLayerOpacity;
+}
+
+float4 RGBShader(const VS_OUTPUT aVertex) : SV_Target
+{
+ float4 result;
+ result = tRGB.Sample(sSampler, aVertex.vTexCoords) * fLayerOpacity;
+ result.a = fLayerOpacity;
+ return result;
+}
+
+float4 YCbCrShader(const VS_OUTPUT aVertex) : SV_Target
+{
+ return CalculateYCbCrColor(aVertex.vTexCoords) * fLayerOpacity;
+}
+
+float4 NV12Shader(const VS_OUTPUT aVertex) : SV_Target
+{
+ return CalculateNV12Color(aVertex.vTexCoords) * fLayerOpacity;
+}